# git rev-parse -q --verify 41e29f958ab708cfd3f9ad2a7a88a60a599368cf^{commit}
41e29f958ab708cfd3f9ad2a7a88a60a599368cf
already have revision, skipping fetch
# git checkout -q -f -B kisskb 41e29f958ab708cfd3f9ad2a7a88a60a599368cf
# git clean -qxdf
# < git log -1
# commit 41e29f958ab708cfd3f9ad2a7a88a60a599368cf
# Author: Michal Suchanek <msuchanek@suse.de>
# Date:   Fri Aug 30 23:03:43 2019 +0200
# 
#     powerpc/perf: split callchain.c by bitness
#     
#     Building callchain.c with !COMPAT proved quite ugly with all the
#     defines. Splitting out the 32bit and 64bit parts looks better.
#     
#     No code change intended.
#     
#     Signed-off-by: Michal Suchanek <msuchanek@suse.de>
#     Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/6e90d79f122529751aa9726ba26af603b6bfbfcd.1567198492.git.msuchanek@suse.de
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version
# < git log --format=%s --max-count=1 41e29f958ab708cfd3f9ad2a7a88a60a599368cf
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  ppc64e_defconfig
# Added to kconfig CONFIG_KEXEC=y
# yes \n | make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/arch/powerpc/kernel/syscall_64.c: In function 'system_call_exception':
/kisskb/src/arch/powerpc/kernel/syscall_64.c:39:2: error: implicit declaration of function 'kuap_check_amr' [-Werror=implicit-function-declaration]
/kisskb/src/arch/powerpc/kernel/syscall_64.c: In function 'syscall_exit_prepare':
/kisskb/src/arch/powerpc/kernel/syscall_64.c:157:2: error: implicit declaration of function '__mtmsrd' [-Werror=implicit-function-declaration]
cc1: all warnings being treated as errors
make[3]: *** [/kisskb/src/scripts/Makefile.build:274: arch/powerpc/kernel/syscall_64.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:490: arch/powerpc/kernel] Error 2
make[1]: *** [/kisskb/src/Makefile:1079: arch/powerpc] Error 2
make[1]: *** Waiting for unfinished jobs....
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq':
/kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here
/kisskb/src/drivers/net/tun.c: In function 'tun_get_user':
/kisskb/src/drivers/net/tun.c:1831:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c:1744:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/usb/core/devio.c: In function 'async_completed':
/kisskb/src/drivers/usb/core/devio.c:613:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c: In function 'proc_reg_open':
/kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here
/kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc':
/kisskb/src/fs/nfsd/nfs4xdr.c:2065:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char':
/kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized]
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.6
# Build took: 0:01:11.532298